Doctor insights on:
Cystic Fibrosis Carrier Statistics
One gene bad: The cftr gene codes for (has information for your body about) a sodium-chloride transporter on your cell membranes. If you have two bad copies you have cf, if you have one, you are a carrier. As many as 1 in 25 caucasian adults in the us has this mutation. If you are planning on having children, talk to your spouse about genetic counseling, unless your spouse is of asian or african descent. ...Read more
About 1 in 25: The likelihood of being a carrier for CF depends on your ethnic background. Among whites it is about 1 in 25 or 30 and in hispanics 1 in 45 or so. It is lower in african americans and asians. If there is a known person in your family with CF that will increase the risk of being a carrier. CF was only known as a disease in 1938, so before that babies died of pneumonia or diarrhea, not cf. ...Read more
Yes: This is a gene carried a significant number in the population that do not know they are. Most find out after they have an affected kid.Your spouse or prospective spouse can be screened for carrier status, and this can define your risks. You would never drop below 50% risk passing the carrier state.If the spouse was negative, no CF kids, if +, 1/4 risk of CF per pregnancy.You can think it over. ...Read more
Pretty common: Various studies cite about 1/40 normal individuals are carries of one CF gene. They have no illness, and will not have a CF child unless their spouse is also a carrier. With 2 carriers 1/4 risk of CF per pregnancy would be possible.Carrier detection studies are often offered to someone who has a cf patient in their family. ...Read more
If you were a carrier of cystic fibrosis, how do you test to see if your unborn child has inherited it?
CF: First you need to determine if the father of the baby is also a carrier of the disease as CF is a recessive disease. Therefore both parents need to be carriers and even then there is only a 25% chance the baby is affected. Doing either cvs or amnio can determine if the fetus is affected by cf. If only one parent is a carrier. Screening post natal is recommended. ...Read more
Autosomal recessive: CF is an autosomal recessive genetic disorder. Complete expression of the disease (symptoms) do not typically occur in people who do not have both copies of the defective gene (carriers only have one). ...Read more
Yes: Cystic fibrosis (CF) is a genetic disease, but it requires two faulty genes to be expressed as a disease. A healthy person can carry one defective CF gene and not be affected by cf. If each member of a couple has a defective CF gene, they have a 25% chance of having a child who inherits both defective copies of the CF gene. Depending on the type of CF gene defect, that child could then develop cf. ...Read moreSee 1 more doctor answer
50%/time: Carrier parents pass either the normal or affected gene at equal(50%) frequency any time they conceive.In a million random parings, 25% would result in cf, 25% in non-carrier & 50% carriers. In practice, the parents could produce all cf, all carrier or all non- carrier kids. ...Read more
Do both parents have to be cystic fibrosis carriers in order for their child to be born with this disease?
Yes: Both parents have to be carriers and then their child has 25% chance of having the disease, 50% chance of being a carrier and 25% of not even being a carrier. The most common mutation causing cystic fibrosis is ?f508. But there are over 1500 mutations identified so far. ...Read moreSee 1 more doctor answer
If you mother is a carrier of cystic fibrosis is it posibble for one of her children to get it in there audlt years. ?
Not going to happen: The predominant forms of CF (70%) come from inheriting a delta f508 mutation from both parents. If the biological dad does not carry a CF gene, delta f508 or any of the dozens of similar minor mutations, the kid cannot suddenly develop CF. Carrier detection is available to test any potential parent, and many suggest people know the status of both if one is a known carrier. ...Read moreSee 2 more doctor answers
Is their there significant risk of cancer or disease with asymptomatic Cystic Fibrosis Carrier? Should one be worried?
No Risks For You: Cystic Fibrosis is a genetic disease causing secretions from mucus & sweat glands to thicken which interferes with function of many organs, mainly lungs, GI tract, & more. It is inherited as autosomal recessive pattern meaning a gene must be inherited from both parents. Having only 1 gene is the carrier state meaning you can pass along the gene but there are no risks related to CF for a carrier. ...Read moreSee 1 more doctor answer
Not always low: Although sometimes it is.Get a more detailed answer ›
What are the chances of passing on the Cystic Fibrosis gene if only one parent is a CARRIER? Other parent not a carrier.
Yes: It is a recessive trait, so both have to have the gene to pass it to a child. ...Read more
Statistically, how successful is IVF with the male partner being a Cystic Fibrosis carrier? Testicular biopsy shows active spermatogenesis.
What are the chances my child will be born with chromosomal abnormalities? I was told my unborn child has echogenic bowels, that i tested higher for the risk of Down syndrome and as a carrier of the cystic fibrosis trait
There : There are several ultrasound findings that can suggest down sysndrome, and echogenic bowel is one of them. There could be other explanations for that finding, though. It sound like you will need some testing to find out what's going on. The two tests used most commonly are amniocentesis and chorionic villous sampling. Each has its own risks and benefits, so you should discuss them with your obstetrician. I would suggest that you do this sooner than later, and regardless of whether the outcome might lead you to terminate the pregnancy. ...Read more
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